Unitronic FLEX fuel enabled ECU Performance Software Calibrations are available for this platform allowing for seamless transitions between 100% gasoline to 85% ethanol and …

APR Stage 1 is available for 91 AKI, 93 AKI, and 100 AKI in North America, and 95 RON, 98 RON, and 104 AKI in the Rest of the World. The APR Stage 2 ECU Upgrade is the next step …

The 034Motorsport Dynamic+ Stage 1 & Stage 2 Tuning Software for the 8V.5 Audi RS3 and 8S Audi TT-RS equipped with the EA855 2.5TFSI EVO engine is designed to transform the driving experience of your vehicle!

Use this tune with the APR Turbo Inlet. This stage has optional high and low grip modes designed to reduce wheel spin and aid in 60 FT and 0-60 times depending on surface prep.

034Motorsport is proud to offer our Stage 2 Performance Tuning Software for the 8J (MkII) Audi TT RS 2.5 TFSI! The Stage 2 Audi TT RS ECU Upgrade requires a High-Flow Downpipe. A larger Front-Mount Intercooler is highly recommended. Peak Horsepower & Torque: 91 Octane - 409 Horsepower / 455 Foot-Pounds of Torque

This upgrade requires the APR Inlet System, APR RS3 Intercooler System or APR TT RS Intercooler System, and APR Race DP with the APR Race Midpipe & Exhaust System and produces 499-574 HP with 468-530 FT-LBS of torque, depending on octane.

Transform your vehicle with our Engine Control Unit (ECU) Software Upgrades. We optimize the factory engine management system to take full advantage of the engine's capabilities for large leaps in horsepower and torque, along with added features to …

034Motorsport is proud to offer our Stage 1 Performance Tuning Software for the 8J (MkII) Audi TT RS 2.5 TFSI! The Stage 1 Audi TT RS ECU Upgrade does not require any hardware upgrades to reach advertised power figures. Peak Horsepower & Torque: 91 Octane - 393 Horsepower / 454 Foot-Pounds of Torque

Audi TTRS, RSQ3 & RS3 Tuning Modifications and Performance Upgrades from RacingLine. Our full Performance Parts and OEM+ Software range for your Audi RS3 8V.2, TTRS and RSQ3.